12) The force between two charges 10 nC and 30 nC separated by a certain distance has a certain value.
Find the charge to be added to the larger charge to reduce the force to 1/4 times the original value.
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. Derivation for the equation of Potenstial Energy: Let the work done on the object against gravity = W Work done, W = force × displacement Work done, W = mg × h Work done, W = mghSince workdone on the object is equal to mgh, an energy equal to mgh units is gained by the object
Explanation:
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